Update to ruby/spec@bacedc5

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60973 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 28 insertions, 0 deletions

diff --git a/spec/ruby/core/kernel/shared/sprintf_encoding.rb b/spec/ruby/core/kernel/shared/sprintf_encoding.rb
new file mode 100644
index 0000000000..a92f3c10cd
--- /dev/null
+++ b/spec/ruby/core/kernel/shared/sprintf_encoding.rb
@@ -0,0 +1,28 @@
+describe :kernel_sprintf_encoding, shared: true do
+  def format(*args)
+    @method.call(*args)
+  end
+
+  it "returns a String in the same encoding as the format String if compatible" do
+    string = "%s".force_encoding(Encoding::KOI8_U)
+    result = format(string, "dogs")
+    result.encoding.should equal(Encoding::KOI8_U)
+  end
+
+  it "returns a String in the argument's encoding if format encoding is more restrictive" do
+    string = "foo %s".force_encoding(Encoding::US_ASCII)
+    argument = "b\303\274r".force_encoding(Encoding::UTF_8)
+
+    result = format(string, argument)
+    result.encoding.should equal(Encoding::UTF_8)
+  end
+
+  it "raises Encoding::CompatibilityError if both encodings are ASCII compatible and there ano not ASCII characters" do
+    string = "Ä %s".encode('windows-1252')
+    argument = "Ђ".encode('windows-1251')
+
+    -> () {
+      format(string, argument)
+    }.should raise_error(Encoding::CompatibilityError)
+  end
+end